package com.xyc.gulimall.ware.config;

import org.springframework.amqp.core.Binding;
import org.springframework.amqp.core.Exchange;
import org.springframework.amqp.core.Queue;
import org.springframework.amqp.core.TopicExchange;
import org.springframework.amqp.support.converter.Jackson2JsonMessageConverter;
import org.springframework.amqp.support.converter.MessageConverter;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.HashMap;
import java.util.Map;

@Configuration
public class MyRabbitConfig {

    //序列化
    @Bean
    public MessageConverter messageConverter() {
        // 这里以Jackson2JsonMessageConverter为例
        return new Jackson2JsonMessageConverter();
    }

//    @RabbitListener(queues = "stock.release.stock.queue")
//    public void handle(Message message, Channel channel) {}

    @Bean
    public Exchange stockEventExchange() {
        return new TopicExchange(
                "stock-event-exchange",
                true,
                false
        );
    }

    @Bean
    public Queue stockReleaseStockQueue() {
        return new Queue(
                "stock.release.stock.queue",
                true,
                false,
                false
        );
    }

    @Bean
    public Queue stockDelayQueue() {
        Map<String, Object> arguments = new HashMap<>();
        arguments.put("x-dead-letter-exchange", "stock-event-exchange");
        arguments.put("x-dead-letter-routing-key", "stock.release");
        arguments.put("x-message-ttl", 60000);
        return new Queue(
                "stock.delay.queue",
                true,
                false,
                false,
                arguments
        );
    }

    @Bean
    public Binding stockReleaseBinding() {
        return new Binding(
                "stock.release.stock.queue",
                Binding.DestinationType.QUEUE,
                "stock-event-exchange",
                "stock.release.#",
                null
        );
    }

    @Bean
    public Binding stockLockedBinding() {
        return new Binding(
                "stock.delay.queue",
                Binding.DestinationType.QUEUE,
                "stock-event-exchange",
                "stock.locked.#",
                null
        );
    }
}
